package day01;

public class Demo03 {
    public static void main(String[] args) {
        int count = 100;
        double jg = 55.55;
        long time = 4600000000L;
        System.out.println("班级里面有" + count + "个学生");
        System.out.println("某商品价格" + jg + "元");
        System.out.println("地球诞生已经超过" + time + "年");
    }
}
